A student has 3 books on C++ and 4 books on Java. In how many ways can he arrange these books on shelf if there are no restrictions.
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5040
Step-by-step explanation:
Since, total no. of books are 7 and we can arrange it without restrictions......
No. of ways = 7! = 5040
Otherwise,
If we have to arrange particular books together then,
No. of ways = 2*3!*4!= 288
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